A 6 dB decrease corresponds to what reduction in intensity?
The dominant cause of attenuation in soft tissue is:
The dominant cause of attenuation in soft tissue is:
What determines the brightness of a dot in the pulse-echo im…
What determines the brightness of a dot in the pulse-echo image?
Which describes the number of pulses per second?
Which describes the number of pulses per second?
Scattering allows:
Scattering allows:
What unit is used for frequency in sonography?
What unit is used for frequency in sonography?
When sound hits a boundary between two media perpendicularly…
When sound hits a boundary between two media perpendicularly, what determines reflection vs. transmission?
What determines propagation speed in tissue?
What determines propagation speed in tissue?
The Doppler effect measures:
The Doppler effect measures:
What does Operating Principle 1 rely on?
What does Operating Principle 1 rely on?